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* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
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<html lang="en">
<head>
    <meta charset="UTF-8">
    <title data-i18n="resources.title_bufferAnalystService"></title>
    <script type="text/javascript" src="../js/include-web.js"></script>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
<div id="map" style="margin:0 auto;width: 100%;height: 100%"></div>
<script type="text/javascript" src="../../dist/mapboxgl/include-mapboxgl.js"></script>
<script type="text/javascript">
    var host = window.isLocal ? window.server : "https://iserver.supermap.io";
    var map,
        attribution = "<a href='https://www.mapbox.com/about/maps/' target='_blank'>© Mapbox </a>" +
            " with <span>© <a href='https://iclient.supermap.io' target='_blank'>SuperMap iClient</a> | </span>" +
            " Map Data <span>© <a href='http://support.supermap.com.cn/product/iServer.aspx' target='_blank'>SuperMap iServer</a></span> ",
        baseUrl = host + "/iserver/services/map-jingjin/rest/maps/京津地区地图/zxyTileImage.png?z={z}&x={x}&y={y}",
        serviceUrl = host + "/iserver/services/spatialanalyst-sample/restjsr/spatialanalyst";
    map = new mapboxgl.Map({
        container: 'map',
        style: {
            "version": 8,
            "sources": {
                "raster-tiles": {
                    "attribution": attribution,
                    "type": "raster",
                    "tiles": [baseUrl],
                    "tileSize": 256
                }
            },
            "layers": [{
                "id": "simple-tiles",
                "type": "raster",
                "source": "raster-tiles",
                "minzoom": 2,
                "maxzoom": 18
            }]
        },
        center: [116.28094998209556, 39.897168019388474],
        zoom: 12
    });
    map.addControl(new mapboxgl.NavigationControl(), 'top-left');
    map.addControl(new mapboxgl.supermap.LogoControl({ link: "https://iclient.supermap.io" }), 'bottom-right');

    map.on("load", function () {
        bufferAnalystProcess();
    });

    function bufferAnalystProcess() {
        map.addLayer({
            "id": "route",
            "type": "line",
            "source": {
                "type": "geojson",
                "data": {
                    "type": "Feature",
                    "geometry": {
                        "type": "LineString",
                        "coordinates": [
                            [116.2143386597, 39.8959419733],
                            [116.2156351162, 39.8963250173],
                            [116.2182280292, 39.8968111885],
                            [116.2740019864, 39.8970124079],
                            [116.3103285499, 39.8970574832],
                            [116.3321510064, 39.8970392162],
                            [116.3377051439, 39.8973437531],
                            [116.3463089006, 39.8978391816],
                        ]
                    }
                }
            },
            "layout": {
                "line-join": "round",
                "line-cap": "round"
            },
            "paint": {
                "line-color": "#888",
                "line-width": 8
            }
        });
        //缓冲区分析参数
        var dsBufferAnalystParameters = new mapboxgl.supermap.DatasetBufferAnalystParameters({
            dataset: "Road_L@Jingjin",
            filterQueryParameter: new mapboxgl.supermap.FilterParameter({
                attributeFilter: "NAME='莲花池东路'"
            }),
            bufferSetting: new mapboxgl.supermap.BufferSetting({
                endType: mapboxgl.supermap.BufferEndType.ROUND,
                leftDistance: {value: 300},
                rightDistance: {value: 300},
                semicircleLineSegment: 10,
                radiusUnit: 'METER'
            })
        });
        //缓冲区分析服务
        new mapboxgl.supermap.SpatialAnalystService(serviceUrl).bufferAnalysis(dsBufferAnalystParameters).then(function (serviceResult) {
            map.addLayer({
                "id": "queryDatas",
                "type": "fill", /* fill类型一般用来表示一个面，一般较大 */
                "source": {
                    "type": "geojson",
                    "data": serviceResult.result.recordset.features
                },
                "paint": {
                    "fill-color": "red", /* 填充的颜色 */
                    "fill-opacity": 0.4  /* 透明度 */
                },
            });
        })
    }
</script>
</body>
</html>